On Rare Occasion
This word evolved from a sentence that was usually said very quick, until it became one single word. It's used to name a person who will tell a secret to everyone as quick as they know it.
''Seguro que ya se lo ha contado a todo el mundo, ¡vaya correveidile está hecho!''
I'm sure he already told it to everyone. What a gorunandsayit guy!''